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4239255430 = 252239189337
BaseRepresentation
bin1111110010101101…
…1110011110000110
3101221102220111012101
43330223132132012
532140222133210
61540353542314
7210024035164
oct37453363606
911842814171
104239255430
111885a49393
129a387499a
13527371687
142c3034234
1519c285a3a
hexfcade786

4239255430 has 16 divisors (see below), whose sum is σ = 7634108160. Its totient is φ = 1694935872.

The previous prime is 4239255407. The next prime is 4239255431. The reversal of 4239255430 is 345529324.

It is a self number, because there is not a number n which added to its sum of digits gives 4239255430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239255431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72279 + ... + 117058.

It is an arithmetic number, because the mean of its divisors is an integer number (477131760).

Almost surely, 24239255430 is an apocalyptic number.

4239255430 is a deficient number, since it is larger than the sum of its proper divisors (3394852730).

4239255430 is a wasteful number, since it uses less digits than its factorization.

4239255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191583.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 4239255430 is about 65109.5648119383. The cubic root of 4239255430 is about 1618.4397198412.

The spelling of 4239255430 in words is "four billion, two hundred thirty-nine million, two hundred fifty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 2239 4478 11195 22390 189337 378674 946685 1893370 423925543 847851086 2119627715 4239255430